Lozano Inca, Fernando

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    Essential adaptive protection for potential UPRM microgrid system
    (2021-07-09) Lozano Inca, Fernando; Orama-Exclusa, Lionel R.; College of Engineering; Irizarry Rivera, Agustin A.; Castro Sitiriche, Marcel J.; Department of Electrical and Computer Engineering; Orama Melendez, Rebeca
    In response to frequent and prolonged power outages by the utility owing to lightning, hurricanes, earthquakes, including continuous faults within the University Puerto Rico at Mayag uez (UPRM) due to its outdated electrical infrastructure. We are proposing the installation of two cogenerators with a capacity of 2 megawatt (MW), which are considered for distributed energy resources (DERs) to the governing body of the UPRM. The UPRM electrical distribution system can become a feasible microgrid system model that, if implemented, can mitigate the e ects of future power outages. To attain this objective, this research focused on using modern technology equipment inside our UPRM electrical distribution and was modeled as a microgrid architecture in DigSilent software, which could operate in grid isolated mode, and parallel with the Puerto Rico Electric Power Authority (PREPA). Each operation mode is related to over-current protection settings and dynamic protection setting schemes to mitigate abnormal conditions and increase the level of resilience. Results show that the adaptive protection program designed for the campus-wide microgrid is e cient and that maintains a balance among both power generation and its demand when the utility service is missing.